xnu-517.12.7.tar.gz

[apple/xnu.git] / osfmk / ipc / ipc_kmsg.c

diff --git a/osfmk/ipc/ipc_kmsg.c b/osfmk/ipc/ipc_kmsg.c
index e01db1a02dd6f6818abddf8eb4ab7db73758768e..46267f0184f0c29aa9842629425f06b7348f2c4f 100644 (file)
--- a/osfmk/ipc/ipc_kmsg.c
+++ b/osfmk/ipc/ipc_kmsg.c
@@ -1,24 +1,21 @@
 /*
- * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
+ * Copyright (c) 2000-2003 Apple Computer, Inc. All rights reserved.
  *
  * @APPLE_LICENSE_HEADER_START@
  * 
- * Copyright (c) 1999-2003 Apple Computer, Inc.  All Rights Reserved.
+ * The contents of this file constitute Original Code as defined in and
+ * are subject to the Apple Public Source License Version 1.1 (the
+ * "License").  You may not use this file except in compliance with the
+ * License.  Please obtain a copy of the License at
+ * http://www.apple.com/publicsource and read it before using this file.
  * 
- * This file contains Original Code and/or Modifications of Original Code
- * as defined in and that are subject to the Apple Public Source License
- * Version 2.0 (the 'License'). You may not use this file except in
- * compliance with the License. Please obtain a copy of the License at
- * http://www.opensource.apple.com/apsl/ and read it before using this
- * file.
- * 
- * The Original Code and all software distributed under the License are
- * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
+ * This Original Code and all software distributed under the License are
+ * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
- * Please see the License for the specific language governing rights and
- * limitations under the License.
+ * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT.  Please see the
+ * License for the specific language governing rights and limitations
+ * under the License.
  * 
  * @APPLE_LICENSE_HEADER_END@
  */
@@ -91,6 +88,12 @@
 
 #include <string.h>
 
+#ifdef ppc
+#include <ppc/Firmware.h>
+#include <ppc/low_trace.h>
+#endif
+
+
 extern vm_map_t                ipc_kernel_copy_map;
 extern vm_size_t       ipc_kmsg_max_vm_space;
 extern vm_size_t       msg_ool_size_small;
@@ -650,7 +653,7 @@ ipc_kmsg_get(
 {
        mach_msg_size_t                 msg_and_trailer_size;
        ipc_kmsg_t                      kmsg;
-       mach_msg_format_0_trailer_t     *trailer;
+       mach_msg_max_trailer_t          *trailer;
        mach_port_name_t                dest_name;
        ipc_entry_t                     dest_entry;
        ipc_port_t                      dest_port;
@@ -678,11 +681,17 @@ ipc_kmsg_get(
         * is initialized to the minimum (sizeof(mach_msg_trailer_t)), to optimize
         * the cases where no implicit data is requested.
         */
-       trailer = (mach_msg_format_0_trailer_t *) ((vm_offset_t)&kmsg->ikm_header + size);
-       trailer->msgh_sender = current_thread()->top_act->task->sec_token;
+       trailer = (mach_msg_max_trailer_t *) ((vm_offset_t)&kmsg->ikm_header + size);
+       trailer->msgh_sender = current_act()->task->sec_token;
+       trailer->msgh_audit = current_act()->task->audit_token;
        trailer->msgh_trailer_type = MACH_MSG_TRAILER_FORMAT_0;
        trailer->msgh_trailer_size = MACH_MSG_TRAILER_MINIMUM_SIZE;
-
+       
+#ifdef ppc
+       if(trcWork.traceMask) dbgTrace((unsigned int)kmsg->ikm_header.msgh_id, 
+               (unsigned int)kmsg->ikm_header.msgh_remote_port, 
+               (unsigned int)kmsg->ikm_header.msgh_local_port, 0); 
+#endif
        *kmsgp = kmsg;
        return MACH_MSG_SUCCESS;
 }
@@ -709,7 +718,7 @@ ipc_kmsg_get_from_kernel(
 {
        ipc_kmsg_t      kmsg;
        mach_msg_size_t msg_and_trailer_size;
-       mach_msg_format_0_trailer_t *trailer;
+       mach_msg_max_trailer_t *trailer;
        ipc_port_t      dest_port;
 
        assert(size >= sizeof(mach_msg_header_t));
@@ -759,9 +768,10 @@ ipc_kmsg_get_from_kernel(
         * is initialized to the minimum (sizeof(mach_msg_trailer_t)), to
         * optimize the cases where no implicit data is requested.
         */
-       trailer = (mach_msg_format_0_trailer_t *) 
+       trailer = (mach_msg_max_trailer_t *) 
                  ((vm_offset_t)&kmsg->ikm_header + size);
        trailer->msgh_sender = KERNEL_SECURITY_TOKEN;
+       trailer->msgh_audit = KERNEL_AUDIT_TOKEN;
        trailer->msgh_trailer_type = MACH_MSG_TRAILER_FORMAT_0;
        trailer->msgh_trailer_size = MACH_MSG_TRAILER_MINIMUM_SIZE;
 
@@ -1394,7 +1404,7 @@ ipc_kmsg_copyin_body(
                         * Out-of-line memory descriptor, accumulate kernel
                         * memory requirements
                         */
-                       space_needed += round_page(sstart->out_of_line.size);
+                       space_needed += round_page_32(sstart->out_of_line.size);
                        if (space_needed > ipc_kmsg_max_vm_space) {
 
                                /*
@@ -1501,7 +1511,7 @@ ipc_kmsg_copyin_body(
                         */
                        if (!page_aligned(length)) {
                                (void) memset((void *) (paddr + length), 0,
-                                       round_page(length) - length);
+                                       round_page_32(length) - length);
                        }
                        if (vm_map_copyin(ipc_kernel_copy_map, paddr, length,
                                           TRUE, &copy) != KERN_SUCCESS) {
@@ -1510,8 +1520,8 @@ ipc_kmsg_copyin_body(
                            return MACH_MSG_VM_KERNEL;
                        }
                        dsc->address = (void *) copy;
-                       paddr += round_page(length);
-                       space_needed -= round_page(length);
+                       paddr += round_page_32(length);
+                       space_needed -= round_page_32(length);
                } else {
 
                        /*
@@ -1594,9 +1604,8 @@ ipc_kmsg_copyin_body(
 
                        for(k = 0; k < j; k++) {
                            object = objects[k];
-                           if (!MACH_PORT_VALID(port))
-                               continue;
-                           ipc_object_destroy(object, dsc->disposition);
+                           if (IPC_OBJECT_VALID(object))
+                               ipc_object_destroy(object, dsc->disposition);
                        }
                        kfree(data, length);
                        ipc_kmsg_clean_partial(kmsg, i, paddr, space_needed);